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Blower fan not working

Tiny
ELBO
  • MEMBER
  • 2006 CHEVROLET IMPALA
  • 135,900 MILES
The other day I turned the fan/air conditioner knob and the fan did not blow. I can hear the a/c engage, when I press the button, but the fan will not blow with or with out the a/c button pressed. I want to change the fuses to see if that is the problem, but I am not which fuses to change?
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Monday, June 24th, 2013 AT 12:56 PM

10 Replies

Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
Check for power as the blower motor under the hood. He used a test light or meter to do this. Here is a guide and the fuse location in the diagrams below.

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

and

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Please let us know what happens.

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Tuesday, June 25th, 2013 AT 1:27 AM
Tiny
TONYHILL
  • MEMBER
  • 1 POST
The fuse fixed it for me thank you
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Saturday, December 21st, 2019 AT 1:39 PM
Tiny
EDDIE35
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 90,000 MILES
Heater not blowing hot air.
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Monday, December 30th, 2019 AT 3:07 PM (Merged)
Tiny
LOUT5369
  • MECHANIC
  • 217 POSTS
Check the cooling system, you may be low on coolant. If you are fill the system and have the system pressure checked for leaks. Does the system blow air out the defroster and is it hot? If it blows out the defroster only you have a vacuum leak.
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Monday, December 30th, 2019 AT 3:07 PM (Merged)
Tiny
RBSHAW
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET IMPALA
The blower motor doesn't work in my car.
The only time it does work is when I pull and check all the fuses. It seams as if something is being reset. The blower will only work once after restarting the car. Once you turn engine off and restart the engine, the nblower quits working.
Is there a wiring diagram that I can use to trace the problem down and replace the bad part?
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Monday, December 30th, 2019 AT 3:07 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be the HVAC control module and the blower motor control processor.

See the guide below on testing the wring

https://www.2carpros.com/articles/how-to-check-wiring

The wiring diagram is attached below
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Monday, December 30th, 2019 AT 3:07 PM (Merged)
Tiny
JENELLE38
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET IMPALA
Heater problem
2005 Chevy Impala 6 cyl 60000 miles

about 2 days ago my heater blower was not not working but I hit a bump in the road and they start working. Than I got in the car the next day and they where working all day and than I got in the car and they are not working again
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Monday, December 30th, 2019 AT 3:08 PM (Merged)
Tiny
TOOOMANYTOYS
  • MECHANIC
  • 513 POSTS
There are a few things that can cause this issue. Somethings to check for would be. The wiring from the blower motor resisitor to the blower motor. Look for a melted connector at the resistor. If wiring and connectors look good it may be a possiability that the blower motor is starting to fail.
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Monday, December 30th, 2019 AT 3:08 PM (Merged)
Tiny
BUSSIEBUZZIE
  • MEMBER
  • 1 POST
  • 2005 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 140,000 MILES
Replaced motor blower still not working checked fuses there good
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Monday, December 30th, 2019 AT 3:08 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Check and test the blower motor resistor/fan control module, blower motor relay and the blower switch
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Monday, December 30th, 2019 AT 3:08 PM (Merged)

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